Singer,Ronald <br/><br/>
Encyclopedia of paleontology: A- L 

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 - Chicago  Fitzroy Dearborn Publishers  1999 
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<br/><br/><label>ISBN: </label>1-884964-96-6 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Paleontology, Encyclopedias 
<br/><br/><label>Dewey Class. No.: </label>56(03)